18039015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 33808320

約数和(自身を除く): 15769305

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 601, 667, 1035, 1305, 1803, 2001, 3005, 3335, 5409, 6003, 9015, 10005, 13823, 17429, 27045, 30015, 41469, 52287, 69115, 87145, 124407, 156861, 207345, 261435, 400867, 622035, 784305, 1202601, 2004335, 3607803, 6013005, 18039015]

約数ペア:

[(1, 18039015), (3, 6013005), (5, 3607803), (9, 2004335), (15, 1202601), (23, 784305), (29, 622035), (45, 400867), (69, 261435), (87, 207345), (115, 156861), (145, 124407), (207, 87145), (261, 69115), (345, 52287), (435, 41469), (601, 30015), (667, 27045), (1035, 17429), (1305, 13823), (1803, 10005), (2001, 9015), (3005, 6003), (3335, 5409)]