181920645

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 325503360

約数和(自身を除く): 143582715

約数列:

[1, 3, 5, 9, 15, 45, 53, 83, 159, 249, 265, 415, 477, 747, 795, 919, 1245, 2385, 2757, 3735, 4399, 4595, 8271, 13197, 13785, 21995, 39591, 41355, 48707, 65985, 76277, 146121, 197955, 228831, 243535, 381385, 438363, 686493, 730605, 1144155, 2191815, 3432465, 4042681, 12128043, 20213405, 36384129, 60640215, 181920645]

約数ペア:

[(1, 181920645), (3, 60640215), (5, 36384129), (9, 20213405), (15, 12128043), (45, 4042681), (53, 3432465), (83, 2191815), (159, 1144155), (249, 730605), (265, 686493), (415, 438363), (477, 381385), (747, 243535), (795, 228831), (919, 197955), (1245, 146121), (2385, 76277), (2757, 65985), (3735, 48707), (4399, 41355), (4595, 39591), (8271, 21995), (13197, 13785)]