7976475

素因数分解:

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

素因数の和:139

約数の個数: 72

約数和(自身を含む): 16113552

約数和(自身を除く): 8137077

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 101, 117, 135, 195, 225, 243, 303, 325, 351, 405, 505, 585, 675, 909, 975, 1053, 1215, 1313, 1515, 1755, 2025, 2525, 2727, 2925, 3159, 3939, 4545, 5265, 6075, 6565, 7575, 8181, 8775, 11817, 13635, 15795, 19695, 22725, 24543, 26325, 32825, 35451, 40905, 59085, 68175, 78975, 98475, 106353, 122715, 177255, 204525, 295425, 319059, 531765, 613575, 886275, 1595295, 2658825, 7976475]

約数ペア:

[(1, 7976475), (3, 2658825), (5, 1595295), (9, 886275), (13, 613575), (15, 531765), (25, 319059), (27, 295425), (39, 204525), (45, 177255), (65, 122715), (75, 106353), (81, 98475), (101, 78975), (117, 68175), (135, 59085), (195, 40905), (225, 35451), (243, 32825), (303, 26325), (325, 24543), (351, 22725), (405, 19695), (505, 15795), (585, 13635), (675, 11817), (909, 8775), (975, 8181), (1053, 7575), (1215, 6565), (1313, 6075), (1515, 5265), (1755, 4545), (2025, 3939), (2525, 3159), (2727, 2925)]