16605603

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 29016000

約数和(自身を除く): 12410397

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 149, 183, 203, 261, 427, 447, 549, 609, 1043, 1281, 1341, 1769, 1827, 3129, 3843, 4321, 5307, 9089, 9387, 12383, 12963, 15921, 27267, 30247, 37149, 38889, 63623, 81801, 90741, 111447, 190869, 263581, 272223, 572607, 790743, 1845067, 2372229, 5535201, 16605603]

約数ペア:

[(1, 16605603), (3, 5535201), (7, 2372229), (9, 1845067), (21, 790743), (29, 572607), (61, 272223), (63, 263581), (87, 190869), (149, 111447), (183, 90741), (203, 81801), (261, 63623), (427, 38889), (447, 37149), (549, 30247), (609, 27267), (1043, 15921), (1281, 12963), (1341, 12383), (1769, 9387), (1827, 9089), (3129, 5307), (3843, 4321)]