2981475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 6269440

約数和(自身を除く): 3287965

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 631, 675, 945, 1575, 1893, 3155, 4417, 4725, 5679, 9465, 13251, 15775, 17037, 22085, 28395, 39753, 47325, 66255, 85185, 110425, 119259, 141975, 198765, 331275, 425925, 596295, 993825, 2981475]

約数ペア:

[(1, 2981475), (3, 993825), (5, 596295), (7, 425925), (9, 331275), (15, 198765), (21, 141975), (25, 119259), (27, 110425), (35, 85185), (45, 66255), (63, 47325), (75, 39753), (105, 28395), (135, 22085), (175, 17037), (189, 15775), (225, 13251), (315, 9465), (525, 5679), (631, 4725), (675, 4417), (945, 3155), (1575, 1893)]