81833025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 142197248

約数和(自身を除く): 60364223

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 465, 577, 775, 915, 1525, 1731, 1891, 2325, 2885, 4575, 5673, 8655, 9455, 14425, 17887, 28365, 35197, 43275, 47275, 53661, 89435, 105591, 141825, 175985, 268305, 447175, 527955, 879925, 1091107, 1341525, 2639775, 3273321, 5455535, 16366605, 27277675, 81833025]

約数ペア:

[(1, 81833025), (3, 27277675), (5, 16366605), (15, 5455535), (25, 3273321), (31, 2639775), (61, 1341525), (75, 1091107), (93, 879925), (155, 527955), (183, 447175), (305, 268305), (465, 175985), (577, 141825), (775, 105591), (915, 89435), (1525, 53661), (1731, 47275), (1891, 43275), (2325, 35197), (2885, 28365), (4575, 17887), (5673, 14425), (8655, 9455)]