31039425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 59192640

約数和(自身を除く): 28153215

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 67, 71, 75, 87, 145, 201, 213, 225, 261, 335, 355, 435, 603, 639, 725, 1005, 1065, 1305, 1675, 1775, 1943, 2059, 2175, 3015, 3195, 4757, 5025, 5325, 5829, 6177, 6525, 9715, 10295, 14271, 15075, 15975, 17487, 18531, 23785, 29145, 30885, 42813, 48575, 51475, 71355, 87435, 92655, 118925, 137953, 145725, 154425, 214065, 356775, 413859, 437175, 463275, 689765, 1070325, 1241577, 2069295, 3448825, 6207885, 10346475, 31039425]

約数ペア:

[(1, 31039425), (3, 10346475), (5, 6207885), (9, 3448825), (15, 2069295), (25, 1241577), (29, 1070325), (45, 689765), (67, 463275), (71, 437175), (75, 413859), (87, 356775), (145, 214065), (201, 154425), (213, 145725), (225, 137953), (261, 118925), (335, 92655), (355, 87435), (435, 71355), (603, 51475), (639, 48575), (725, 42813), (1005, 30885), (1065, 29145), (1305, 23785), (1675, 18531), (1775, 17487), (1943, 15975), (2059, 15075), (2175, 14271), (3015, 10295), (3195, 9715), (4757, 6525), (5025, 6177), (5325, 5829)]