40578993

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49547}}^1$

素因数の和:49573

約数の個数: 24

約数和(自身を含む): 72141888

約数和(自身を除く): 31562895

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 49547, 148641, 346829, 445923, 644111, 1040487, 1932333, 3121461, 4508777, 5796999, 13526331, 40578993]

約数ペア:

[(1, 40578993), (3, 13526331), (7, 5796999), (9, 4508777), (13, 3121461), (21, 1932333), (39, 1040487), (63, 644111), (91, 445923), (117, 346829), (273, 148641), (819, 49547)]