66906315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 142094160

約数和(自身を除く): 75187845

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1597, 1995, 2205, 2793, 4655, 4791, 5985, 7985, 8379, 11179, 13965, 14373, 23955, 30343, 33537, 41895, 55895, 71865, 78253, 91029, 100611, 151715, 167685, 212401, 234759, 273087, 391265, 455145, 503055, 637203, 704277, 1062005, 1173795, 1365435, 1486807, 1911609, 3186015, 3521385, 4460421, 7434035, 9558045, 13381263, 22302105, 66906315]

約数ペア:

[(1, 66906315), (3, 22302105), (5, 13381263), (7, 9558045), (9, 7434035), (15, 4460421), (19, 3521385), (21, 3186015), (35, 1911609), (45, 1486807), (49, 1365435), (57, 1173795), (63, 1062005), (95, 704277), (105, 637203), (133, 503055), (147, 455145), (171, 391265), (245, 273087), (285, 234759), (315, 212401), (399, 167685), (441, 151715), (665, 100611), (735, 91029), (855, 78253), (931, 71865), (1197, 55895), (1597, 41895), (1995, 33537), (2205, 30343), (2793, 23955), (4655, 14373), (4791, 13965), (5985, 11179), (7985, 8379)]