28059525

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 55449576

約数和(自身を除く): 27390051

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 181, 195, 225, 265, 325, 477, 543, 585, 689, 795, 905, 975, 1325, 1629, 2067, 2353, 2385, 2715, 2925, 3445, 3975, 4525, 6201, 7059, 8145, 9593, 10335, 11765, 11925, 13575, 17225, 21177, 28779, 31005, 35295, 40725, 47965, 51675, 58825, 86337, 105885, 124709, 143895, 155025, 176475, 239825, 374127, 431685, 529425, 623545, 719475, 1122381, 1870635, 2158425, 3117725, 5611905, 9353175, 28059525]

約数ペア:

[(1, 28059525), (3, 9353175), (5, 5611905), (9, 3117725), (13, 2158425), (15, 1870635), (25, 1122381), (39, 719475), (45, 623545), (53, 529425), (65, 431685), (75, 374127), (117, 239825), (159, 176475), (181, 155025), (195, 143895), (225, 124709), (265, 105885), (325, 86337), (477, 58825), (543, 51675), (585, 47965), (689, 40725), (795, 35295), (905, 31005), (975, 28779), (1325, 21177), (1629, 17225), (2067, 13575), (2353, 11925), (2385, 11765), (2715, 10335), (2925, 9593), (3445, 8145), (3975, 7059), (4525, 6201)]