289402785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1609}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 574654080

約数和(自身を除く): 285251295

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 571, 1609, 1713, 2855, 3997, 4827, 5139, 8045, 8565, 11263, 11991, 14481, 19985, 24135, 25695, 33789, 35973, 56315, 59955, 72405, 101367, 168945, 179865, 506835, 918739, 2756217, 4593695, 6431173, 8268651, 13781085, 19293519, 32155865, 41343255, 57880557, 96467595, 289402785]

約数ペア:

[(1, 289402785), (3, 96467595), (5, 57880557), (7, 41343255), (9, 32155865), (15, 19293519), (21, 13781085), (35, 8268651), (45, 6431173), (63, 4593695), (105, 2756217), (315, 918739), (571, 506835), (1609, 179865), (1713, 168945), (2855, 101367), (3997, 72405), (4827, 59955), (5139, 56315), (8045, 35973), (8565, 33789), (11263, 25695), (11991, 24135), (14481, 19985)]