220115655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5441}}^1$

素因数の和:5512

約数の個数: 48

約数和(自身を含む): 407496960

約数和(自身を除く): 187381305

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 5441, 8091, 13485, 16323, 27205, 40455, 48969, 81615, 157789, 168671, 244845, 473367, 506013, 788945, 843355, 1420101, 1518039, 2366835, 2530065, 4891459, 7100505, 7590195, 14674377, 24457295, 44023131, 73371885, 220115655]

約数ペア:

[(1, 220115655), (3, 73371885), (5, 44023131), (9, 24457295), (15, 14674377), (29, 7590195), (31, 7100505), (45, 4891459), (87, 2530065), (93, 2366835), (145, 1518039), (155, 1420101), (261, 843355), (279, 788945), (435, 506013), (465, 473367), (899, 244845), (1305, 168671), (1395, 157789), (2697, 81615), (4495, 48969), (5441, 40455), (8091, 27205), (13485, 16323)]