156742785

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 277477200

約数和(自身を除く): 120734415

約数列:

[1, 3, 5, 9, 15, 45, 97, 149, 241, 291, 447, 485, 723, 745, 873, 1205, 1341, 1455, 2169, 2235, 3615, 4365, 6705, 10845, 14453, 23377, 35909, 43359, 70131, 72265, 107727, 116885, 130077, 179545, 210393, 216795, 323181, 350655, 538635, 650385, 1051965, 1615905, 3483173, 10449519, 17415865, 31348557, 52247595, 156742785]

約数ペア:

[(1, 156742785), (3, 52247595), (5, 31348557), (9, 17415865), (15, 10449519), (45, 3483173), (97, 1615905), (149, 1051965), (241, 650385), (291, 538635), (447, 350655), (485, 323181), (723, 216795), (745, 210393), (873, 179545), (1205, 130077), (1341, 116885), (1455, 107727), (2169, 72265), (2235, 70131), (3615, 43359), (4365, 35909), (6705, 23377), (10845, 14453)]