215605575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 403902720

約数和(自身を除く): 188297145

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 173, 191, 225, 261, 435, 519, 573, 725, 865, 955, 1305, 1557, 1719, 2175, 2595, 2865, 4325, 4775, 5017, 5539, 6525, 7785, 8595, 12975, 14325, 15051, 16617, 25085, 27695, 33043, 38925, 42975, 45153, 49851, 75255, 83085, 99129, 125425, 138475, 165215, 225765, 249255, 297387, 376275, 415425, 495645, 826075, 958247, 1128825, 1246275, 1486935, 2478225, 2874741, 4791235, 7434675, 8624223, 14373705, 23956175, 43121115, 71868525, 215605575]

約数ペア:

[(1, 215605575), (3, 71868525), (5, 43121115), (9, 23956175), (15, 14373705), (25, 8624223), (29, 7434675), (45, 4791235), (75, 2874741), (87, 2478225), (145, 1486935), (173, 1246275), (191, 1128825), (225, 958247), (261, 826075), (435, 495645), (519, 415425), (573, 376275), (725, 297387), (865, 249255), (955, 225765), (1305, 165215), (1557, 138475), (1719, 125425), (2175, 99129), (2595, 83085), (2865, 75255), (4325, 49851), (4775, 45153), (5017, 42975), (5539, 38925), (6525, 33043), (7785, 27695), (8595, 25085), (12975, 16617), (14325, 15051)]