71661465

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 130150800

約数和(自身を除く): 58489335

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 145, 261, 267, 435, 445, 617, 801, 1305, 1335, 1851, 2581, 3085, 4005, 5553, 7743, 9255, 12905, 17893, 23229, 27765, 38715, 53679, 54913, 89465, 116145, 161037, 164739, 268395, 274565, 494217, 805185, 823695, 1592477, 2471085, 4777431, 7962385, 14332293, 23887155, 71661465]

約数ペア:

[(1, 71661465), (3, 23887155), (5, 14332293), (9, 7962385), (15, 4777431), (29, 2471085), (45, 1592477), (87, 823695), (89, 805185), (145, 494217), (261, 274565), (267, 268395), (435, 164739), (445, 161037), (617, 116145), (801, 89465), (1305, 54913), (1335, 53679), (1851, 38715), (2581, 27765), (3085, 23229), (4005, 17893), (5553, 12905), (7743, 9255)]