17963721

素因数分解:

$3^3\times {\mathrm{19}}^3\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 28380800

約数和(自身を除く): 10417079

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 361, 513, 873, 1083, 1843, 2619, 3249, 5529, 6859, 9747, 16587, 20577, 35017, 49761, 61731, 105051, 185193, 315153, 665323, 945459, 1995969, 5987907, 17963721]

約数ペア:

[(1, 17963721), (3, 5987907), (9, 1995969), (19, 945459), (27, 665323), (57, 315153), (97, 185193), (171, 105051), (291, 61731), (361, 49761), (513, 35017), (873, 20577), (1083, 16587), (1843, 9747), (2619, 6859), (3249, 5529)]