68991975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 134956640

約数和(自身を除く): 65964665

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 103, 117, 195, 225, 229, 309, 325, 515, 585, 687, 927, 975, 1145, 1339, 1545, 2061, 2575, 2925, 2977, 3435, 4017, 4635, 5725, 6695, 7725, 8931, 10305, 12051, 14885, 17175, 20085, 23175, 23587, 26793, 33475, 44655, 51525, 60255, 70761, 74425, 100425, 117935, 133965, 212283, 223275, 301275, 306631, 353805, 589675, 669825, 919893, 1061415, 1533155, 1769025, 2759679, 4599465, 5307075, 7665775, 13798395, 22997325, 68991975]

約数ペア:

[(1, 68991975), (3, 22997325), (5, 13798395), (9, 7665775), (13, 5307075), (15, 4599465), (25, 2759679), (39, 1769025), (45, 1533155), (65, 1061415), (75, 919893), (103, 669825), (117, 589675), (195, 353805), (225, 306631), (229, 301275), (309, 223275), (325, 212283), (515, 133965), (585, 117935), (687, 100425), (927, 74425), (975, 70761), (1145, 60255), (1339, 51525), (1545, 44655), (2061, 33475), (2575, 26793), (2925, 23587), (2977, 23175), (3435, 20085), (4017, 17175), (4635, 14885), (5725, 12051), (6695, 10305), (7725, 8931)]