16991730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{3853}}^1$

素因数の和:3880

約数の個数: 72

約数和(自身を含む): 51404652

約数和(自身を除く): 34412922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 3853, 4410, 7706, 11559, 19265, 23118, 26971, 34677, 38530, 53942, 57795, 69354, 80913, 115590, 134855, 161826, 173385, 188797, 242739, 269710, 346770, 377594, 404565, 485478, 566391, 809130, 943985, 1132782, 1213695, 1699173, 1887970, 2427390, 2831955, 3398346, 5663910, 8495865, 16991730]

約数ペア:

[(1, 16991730), (2, 8495865), (3, 5663910), (5, 3398346), (6, 2831955), (7, 2427390), (9, 1887970), (10, 1699173), (14, 1213695), (15, 1132782), (18, 943985), (21, 809130), (30, 566391), (35, 485478), (42, 404565), (45, 377594), (49, 346770), (63, 269710), (70, 242739), (90, 188797), (98, 173385), (105, 161826), (126, 134855), (147, 115590), (210, 80913), (245, 69354), (294, 57795), (315, 53942), (441, 38530), (490, 34677), (630, 26971), (735, 23118), (882, 19265), (1470, 11559), (2205, 7706), (3853, 4410)]