3131730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1657}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 9550080

約数和(自身を除く): 6418350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1657, 1890, 3314, 4971, 8285, 9942, 11599, 14913, 16570, 23198, 24855, 29826, 34797, 44739, 49710, 57995, 69594, 74565, 89478, 104391, 115990, 149130, 173985, 208782, 223695, 313173, 347970, 447390, 521955, 626346, 1043910, 1565865, 3131730]

約数ペア:

[(1, 3131730), (2, 1565865), (3, 1043910), (5, 626346), (6, 521955), (7, 447390), (9, 347970), (10, 313173), (14, 223695), (15, 208782), (18, 173985), (21, 149130), (27, 115990), (30, 104391), (35, 89478), (42, 74565), (45, 69594), (54, 57995), (63, 49710), (70, 44739), (90, 34797), (105, 29826), (126, 24855), (135, 23198), (189, 16570), (210, 14913), (270, 11599), (315, 9942), (378, 8285), (630, 4971), (945, 3314), (1657, 1890)]