28518165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 56445480

約数和(自身を除く): 27927315

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 41, 45, 65, 87, 117, 123, 145, 195, 205, 261, 369, 377, 435, 533, 585, 615, 1131, 1189, 1305, 1599, 1681, 1845, 1885, 2665, 3393, 3567, 4797, 5043, 5655, 5945, 7995, 8405, 10701, 15129, 15457, 16965, 17835, 21853, 23985, 25215, 46371, 48749, 53505, 65559, 75645, 77285, 109265, 139113, 146247, 196677, 231855, 243745, 327795, 438741, 633737, 695565, 731235, 983385, 1901211, 2193705, 3168685, 5703633, 9506055, 28518165]

約数ペア:

[(1, 28518165), (3, 9506055), (5, 5703633), (9, 3168685), (13, 2193705), (15, 1901211), (29, 983385), (39, 731235), (41, 695565), (45, 633737), (65, 438741), (87, 327795), (117, 243745), (123, 231855), (145, 196677), (195, 146247), (205, 139113), (261, 109265), (369, 77285), (377, 75645), (435, 65559), (533, 53505), (585, 48749), (615, 46371), (1131, 25215), (1189, 23985), (1305, 21853), (1599, 17835), (1681, 16965), (1845, 15457), (1885, 15129), (2665, 10701), (3393, 8405), (3567, 7995), (4797, 5945), (5043, 5655)]