72472725

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2788

約数の個数: 60

約数和(自身を含む): 144623556

約数和(自身を除く): 72150831

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2753, 2925, 5265, 8259, 8775, 13765, 24777, 26325, 35789, 41295, 68825, 74331, 107367, 123885, 178945, 206475, 222993, 322101, 371655, 536835, 619425, 894725, 966303, 1114965, 1610505, 1858275, 2684175, 2898909, 4831515, 5574825, 8052525, 14494545, 24157575, 72472725]

約数ペア:

[(1, 72472725), (3, 24157575), (5, 14494545), (9, 8052525), (13, 5574825), (15, 4831515), (25, 2898909), (27, 2684175), (39, 1858275), (45, 1610505), (65, 1114965), (75, 966303), (81, 894725), (117, 619425), (135, 536835), (195, 371655), (225, 322101), (325, 222993), (351, 206475), (405, 178945), (585, 123885), (675, 107367), (975, 74331), (1053, 68825), (1755, 41295), (2025, 35789), (2753, 26325), (2925, 24777), (5265, 13765), (8259, 8775)]