53970975

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2217

約数の個数: 48

約数和(自身を含む): 101873440

約数和(自身を除く): 47902465

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 185, 225, 333, 555, 675, 925, 999, 1665, 2161, 2775, 4995, 6483, 8325, 10805, 19449, 24975, 32415, 54025, 58347, 79957, 97245, 162075, 239871, 291735, 399785, 486225, 719613, 1199355, 1458675, 1998925, 2158839, 3598065, 5996775, 10794195, 17990325, 53970975]

約数ペア:

[(1, 53970975), (3, 17990325), (5, 10794195), (9, 5996775), (15, 3598065), (25, 2158839), (27, 1998925), (37, 1458675), (45, 1199355), (75, 719613), (111, 486225), (135, 399785), (185, 291735), (225, 239871), (333, 162075), (555, 97245), (675, 79957), (925, 58347), (999, 54025), (1665, 32415), (2161, 24975), (2775, 19449), (4995, 10805), (6483, 8325)]