39789885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 31334595

約数列:

[1, 3, 5, 15, 23, 29, 41, 69, 87, 97, 115, 123, 145, 205, 291, 345, 435, 485, 615, 667, 943, 1189, 1455, 2001, 2231, 2813, 2829, 3335, 3567, 3977, 4715, 5945, 6693, 8439, 10005, 11155, 11931, 14065, 14145, 17835, 19885, 27347, 33465, 42195, 59655, 64699, 82041, 91471, 115333, 136735, 194097, 274413, 323495, 345999, 410205, 457355, 576665, 970485, 1372065, 1729995, 2652659, 7957977, 13263295, 39789885]

約数ペア:

[(1, 39789885), (3, 13263295), (5, 7957977), (15, 2652659), (23, 1729995), (29, 1372065), (41, 970485), (69, 576665), (87, 457355), (97, 410205), (115, 345999), (123, 323495), (145, 274413), (205, 194097), (291, 136735), (345, 115333), (435, 91471), (485, 82041), (615, 64699), (667, 59655), (943, 42195), (1189, 33465), (1455, 27347), (2001, 19885), (2231, 17835), (2813, 14145), (2829, 14065), (3335, 11931), (3567, 11155), (3977, 10005), (4715, 8439), (5945, 6693)]