291347145

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 547430400

約数和(自身を除く): 256083255

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 93, 129, 135, 155, 215, 279, 387, 465, 645, 837, 1161, 1333, 1395, 1619, 1935, 3999, 4185, 4857, 5805, 6665, 8095, 11997, 14571, 19995, 24285, 35991, 43713, 50189, 59985, 69617, 72855, 150567, 179955, 208851, 218565, 250945, 348085, 451701, 626553, 752835, 1044255, 1355103, 1879659, 2158127, 2258505, 3132765, 6474381, 6775515, 9398295, 10790635, 19423143, 32371905, 58269429, 97115715, 291347145]

約数ペア:

[(1, 291347145), (3, 97115715), (5, 58269429), (9, 32371905), (15, 19423143), (27, 10790635), (31, 9398295), (43, 6775515), (45, 6474381), (93, 3132765), (129, 2258505), (135, 2158127), (155, 1879659), (215, 1355103), (279, 1044255), (387, 752835), (465, 626553), (645, 451701), (837, 348085), (1161, 250945), (1333, 218565), (1395, 208851), (1619, 179955), (1935, 150567), (3999, 72855), (4185, 69617), (4857, 59985), (5805, 50189), (6665, 43713), (8095, 35991), (11997, 24285), (14571, 19995)]