1998508710225

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1851371}}^1$

素因数の和:1851810

約数の個数: 48

約数和(自身を含む): 3402229296960

約数和(自身を除く): 1403720586735

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 389, 555, 925, 1167, 1945, 2775, 5835, 9725, 14393, 29175, 43179, 71965, 215895, 359825, 1079475, 1851371, 5554113, 9256855, 27770565, 46284275, 68500727, 138852825, 205502181, 342503635, 720183319, 1027510905, 1712518175, 2160549957, 3600916595, 5137554525, 10802749785, 18004582975, 26646782803, 54013748925, 79940348409, 133233914015, 399701742045, 666169570075, 1998508710225]

約数ペア:

[(1, 1998508710225), (3, 666169570075), (5, 399701742045), (15, 133233914015), (25, 79940348409), (37, 54013748925), (75, 26646782803), (111, 18004582975), (185, 10802749785), (389, 5137554525), (555, 3600916595), (925, 2160549957), (1167, 1712518175), (1945, 1027510905), (2775, 720183319), (5835, 342503635), (9725, 205502181), (14393, 138852825), (29175, 68500727), (43179, 46284275), (71965, 27770565), (215895, 9256855), (359825, 5554113), (1079475, 1851371)]