7974015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 15649920

約数和(自身を除く): 7675905

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 571, 665, 735, 931, 1713, 1995, 2793, 2855, 3997, 4655, 8565, 10849, 11991, 13965, 19985, 27979, 32547, 54245, 59955, 75943, 83937, 139895, 162735, 227829, 379715, 419685, 531601, 1139145, 1594803, 2658005, 7974015]

約数ペア:

[(1, 7974015), (3, 2658005), (5, 1594803), (7, 1139145), (15, 531601), (19, 419685), (21, 379715), (35, 227829), (49, 162735), (57, 139895), (95, 83937), (105, 75943), (133, 59955), (147, 54245), (245, 32547), (285, 27979), (399, 19985), (571, 13965), (665, 11991), (735, 10849), (931, 8565), (1713, 4655), (1995, 3997), (2793, 2855)]