72642105

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 134194320

約数和(自身を除く): 61552215

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 269, 353, 765, 807, 1059, 1345, 1765, 2421, 3177, 4035, 4573, 5295, 6001, 12105, 13719, 15885, 18003, 22865, 30005, 41157, 54009, 68595, 90015, 94957, 205785, 270045, 284871, 474785, 854613, 1424355, 1614269, 4273065, 4842807, 8071345, 14528421, 24214035, 72642105]

約数ペア:

[(1, 72642105), (3, 24214035), (5, 14528421), (9, 8071345), (15, 4842807), (17, 4273065), (45, 1614269), (51, 1424355), (85, 854613), (153, 474785), (255, 284871), (269, 270045), (353, 205785), (765, 94957), (807, 90015), (1059, 68595), (1345, 54009), (1765, 41157), (2421, 30005), (3177, 22865), (4035, 18003), (4573, 15885), (5295, 13719), (6001, 12105)]