71276985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 138279960

約数和(自身を除く): 67002975

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 89, 111, 117, 185, 195, 267, 333, 445, 481, 555, 585, 801, 1157, 1335, 1369, 1443, 1665, 2405, 3293, 3471, 4005, 4107, 4329, 5785, 6845, 7215, 9879, 10413, 12321, 16465, 17355, 17797, 20535, 21645, 29637, 42809, 49395, 52065, 53391, 61605, 88985, 121841, 128427, 148185, 160173, 214045, 266955, 365523, 385281, 609205, 642135, 800865, 1096569, 1583933, 1827615, 1926405, 4751799, 5482845, 7919665, 14255397, 23758995, 71276985]

約数ペア:

[(1, 71276985), (3, 23758995), (5, 14255397), (9, 7919665), (13, 5482845), (15, 4751799), (37, 1926405), (39, 1827615), (45, 1583933), (65, 1096569), (89, 800865), (111, 642135), (117, 609205), (185, 385281), (195, 365523), (267, 266955), (333, 214045), (445, 160173), (481, 148185), (555, 128427), (585, 121841), (801, 88985), (1157, 61605), (1335, 53391), (1369, 52065), (1443, 49395), (1665, 42809), (2405, 29637), (3293, 21645), (3471, 20535), (4005, 17797), (4107, 17355), (4329, 16465), (5785, 12321), (6845, 10413), (7215, 9879)]