258972375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{1913}}^1$

素因数の和:1969

約数の個数: 48

約数和(自身を含む): 455042016

約数和(自身を除く): 196069641

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 361, 375, 475, 1083, 1425, 1805, 1913, 2375, 5415, 5739, 7125, 9025, 9565, 27075, 28695, 36347, 45125, 47825, 109041, 135375, 143475, 181735, 239125, 545205, 690593, 717375, 908675, 2071779, 2726025, 3452965, 4543375, 10358895, 13630125, 17264825, 51794475, 86324125, 258972375]

約数ペア:

[(1, 258972375), (3, 86324125), (5, 51794475), (15, 17264825), (19, 13630125), (25, 10358895), (57, 4543375), (75, 3452965), (95, 2726025), (125, 2071779), (285, 908675), (361, 717375), (375, 690593), (475, 545205), (1083, 239125), (1425, 181735), (1805, 143475), (1913, 135375), (2375, 109041), (5415, 47825), (5739, 45125), (7125, 36347), (9025, 28695), (9565, 27075)]