26827275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 47970144

約数和(自身を除く): 21142869

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 159, 255, 265, 397, 425, 795, 901, 1191, 1275, 1325, 1985, 2703, 3975, 4505, 5955, 6749, 9925, 13515, 20247, 21041, 22525, 29775, 33745, 63123, 67575, 101235, 105205, 168725, 315615, 357697, 506175, 526025, 1073091, 1578075, 1788485, 5365455, 8942425, 26827275]

約数ペア:

[(1, 26827275), (3, 8942425), (5, 5365455), (15, 1788485), (17, 1578075), (25, 1073091), (51, 526025), (53, 506175), (75, 357697), (85, 315615), (159, 168725), (255, 105205), (265, 101235), (397, 67575), (425, 63123), (795, 33745), (901, 29775), (1191, 22525), (1275, 21041), (1325, 20247), (1985, 13515), (2703, 9925), (3975, 6749), (4505, 5955)]