155520855

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 315950544

約数和(自身を除く): 160429689

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 251, 281, 315, 441, 735, 753, 843, 1255, 1405, 1757, 1967, 2205, 2259, 2529, 3765, 4215, 5271, 5901, 8785, 9835, 11295, 12299, 12645, 13769, 15813, 17703, 26355, 29505, 36897, 41307, 61495, 68845, 70531, 79065, 88515, 110691, 123921, 184485, 206535, 211593, 352655, 493717, 553455, 619605, 634779, 1057965, 1481151, 2468585, 3173895, 3456019, 4443453, 7405755, 10368057, 17280095, 22217265, 31104171, 51840285, 155520855]

約数ペア:

[(1, 155520855), (3, 51840285), (5, 31104171), (7, 22217265), (9, 17280095), (15, 10368057), (21, 7405755), (35, 4443453), (45, 3456019), (49, 3173895), (63, 2468585), (105, 1481151), (147, 1057965), (245, 634779), (251, 619605), (281, 553455), (315, 493717), (441, 352655), (735, 211593), (753, 206535), (843, 184485), (1255, 123921), (1405, 110691), (1757, 88515), (1967, 79065), (2205, 70531), (2259, 68845), (2529, 61495), (3765, 41307), (4215, 36897), (5271, 29505), (5901, 26355), (8785, 17703), (9835, 15813), (11295, 13769), (12299, 12645)]