157280355

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 278497440

約数和(自身を除く): 121217085

約数列:

[1, 3, 5, 9, 15, 45, 89, 173, 227, 267, 445, 519, 681, 801, 865, 1135, 1335, 1557, 2043, 2595, 3405, 4005, 7785, 10215, 15397, 20203, 39271, 46191, 60609, 76985, 101015, 117813, 138573, 181827, 196355, 230955, 303045, 353439, 589065, 692865, 909135, 1767195, 3495119, 10485357, 17475595, 31456071, 52426785, 157280355]

約数ペア:

[(1, 157280355), (3, 52426785), (5, 31456071), (9, 17475595), (15, 10485357), (45, 3495119), (89, 1767195), (173, 909135), (227, 692865), (267, 589065), (445, 353439), (519, 303045), (681, 230955), (801, 196355), (865, 181827), (1135, 138573), (1335, 117813), (1557, 101015), (2043, 76985), (2595, 60609), (3405, 46191), (4005, 39271), (7785, 20203), (10215, 15397)]