221877387

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 352836000

約数和(自身を除く): 130958613

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 269, 459, 599, 807, 1377, 1797, 2421, 4573, 5391, 7263, 10183, 13719, 16173, 21789, 30549, 41157, 48519, 91647, 123471, 161131, 274941, 370413, 483393, 824823, 1450179, 2739227, 4350537, 8217681, 13051611, 24653043, 73959129, 221877387]

約数ペア:

[(1, 221877387), (3, 73959129), (9, 24653043), (17, 13051611), (27, 8217681), (51, 4350537), (81, 2739227), (153, 1450179), (269, 824823), (459, 483393), (599, 370413), (807, 274941), (1377, 161131), (1797, 123471), (2421, 91647), (4573, 48519), (5391, 41157), (7263, 30549), (10183, 21789), (13719, 16173)]