123405465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 222829056

約数和(自身を除く): 99423591

約数列:

[1, 3, 5, 15, 17, 23, 51, 53, 69, 85, 115, 159, 255, 265, 345, 391, 397, 795, 901, 1173, 1191, 1219, 1955, 1985, 2703, 3657, 4505, 5865, 5955, 6095, 6749, 9131, 13515, 18285, 20247, 20723, 21041, 27393, 33745, 45655, 62169, 63123, 101235, 103615, 105205, 136965, 155227, 310845, 315615, 357697, 465681, 483943, 776135, 1073091, 1451829, 1788485, 2328405, 2419715, 5365455, 7259145, 8227031, 24681093, 41135155, 123405465]

約数ペア:

[(1, 123405465), (3, 41135155), (5, 24681093), (15, 8227031), (17, 7259145), (23, 5365455), (51, 2419715), (53, 2328405), (69, 1788485), (85, 1451829), (115, 1073091), (159, 776135), (255, 483943), (265, 465681), (345, 357697), (391, 315615), (397, 310845), (795, 155227), (901, 136965), (1173, 105205), (1191, 103615), (1219, 101235), (1955, 63123), (1985, 62169), (2703, 45655), (3657, 33745), (4505, 27393), (5865, 21041), (5955, 20723), (6095, 20247), (6749, 18285), (9131, 13515)]