313387425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5687

約数の個数: 72

約数和(自身を含む): 636417600

約数和(自身を除く): 323030175

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1425, 2223, 2925, 3705, 4275, 5639, 6175, 11115, 16917, 18525, 28195, 50751, 55575, 73307, 84585, 107141, 140975, 219921, 253755, 321423, 366535, 422925, 535705, 659763, 964269, 1099605, 1268775, 1392833, 1607115, 1832675, 2678525, 3298815, 4178499, 4821345, 5498025, 6964165, 8035575, 12535497, 16494075, 20892495, 24106725, 34820825, 62677485, 104462475, 313387425]

約数ペア:

[(1, 313387425), (3, 104462475), (5, 62677485), (9, 34820825), (13, 24106725), (15, 20892495), (19, 16494075), (25, 12535497), (39, 8035575), (45, 6964165), (57, 5498025), (65, 4821345), (75, 4178499), (95, 3298815), (117, 2678525), (171, 1832675), (195, 1607115), (225, 1392833), (247, 1268775), (285, 1099605), (325, 964269), (475, 659763), (585, 535705), (741, 422925), (855, 366535), (975, 321423), (1235, 253755), (1425, 219921), (2223, 140975), (2925, 107141), (3705, 84585), (4275, 73307), (5639, 55575), (6175, 50751), (11115, 28195), (16917, 18525)]