28920512205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{13229}}^1$

素因数の和:13391

約数の個数: 96

約数和(自身を含む): 55997192160

約数和(自身を除く): 27076679955

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 101, 111, 117, 185, 195, 303, 333, 481, 505, 555, 585, 909, 1313, 1443, 1515, 1665, 2405, 3737, 3939, 4329, 4545, 6565, 7215, 11211, 11817, 13229, 18685, 19695, 21645, 33633, 39687, 48581, 56055, 59085, 66145, 119061, 145743, 168165, 171977, 198435, 242905, 437229, 489473, 515931, 595305, 728715, 859885, 1336129, 1468419, 1547793, 2186145, 2447365, 2579655, 4008387, 4405257, 6363149, 6680645, 7342095, 7738965, 12025161, 17369677, 19089447, 20041935, 22026285, 31815745, 49436773, 52109031, 57268341, 60125805, 86848385, 95447235, 148310319, 156327093, 247183865, 260545155, 286341705, 444930957, 642678049, 741551595, 781635465, 1928034147, 2224654785, 3213390245, 5784102441, 9640170735, 28920512205]

約数ペア:

[(1, 28920512205), (3, 9640170735), (5, 5784102441), (9, 3213390245), (13, 2224654785), (15, 1928034147), (37, 781635465), (39, 741551595), (45, 642678049), (65, 444930957), (101, 286341705), (111, 260545155), (117, 247183865), (185, 156327093), (195, 148310319), (303, 95447235), (333, 86848385), (481, 60125805), (505, 57268341), (555, 52109031), (585, 49436773), (909, 31815745), (1313, 22026285), (1443, 20041935), (1515, 19089447), (1665, 17369677), (2405, 12025161), (3737, 7738965), (3939, 7342095), (4329, 6680645), (4545, 6363149), (6565, 4405257), (7215, 4008387), (11211, 2579655), (11817, 2447365), (13229, 2186145), (18685, 1547793), (19695, 1468419), (21645, 1336129), (33633, 859885), (39687, 728715), (48581, 595305), (56055, 515931), (59085, 489473), (66145, 437229), (119061, 242905), (145743, 198435), (168165, 171977)]