7890225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 16115040

約数和(自身を除く): 8224815

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 113, 133, 147, 175, 245, 285, 339, 399, 475, 525, 565, 665, 735, 791, 931, 1225, 1425, 1695, 1995, 2147, 2373, 2793, 2825, 3325, 3675, 3955, 4655, 5537, 6441, 8475, 9975, 10735, 11865, 13965, 15029, 16611, 19775, 23275, 27685, 32205, 45087, 53675, 59325, 69825, 75145, 83055, 105203, 138425, 161025, 225435, 315609, 375725, 415275, 526015, 1127175, 1578045, 2630075, 7890225]

約数ペア:

[(1, 7890225), (3, 2630075), (5, 1578045), (7, 1127175), (15, 526015), (19, 415275), (21, 375725), (25, 315609), (35, 225435), (49, 161025), (57, 138425), (75, 105203), (95, 83055), (105, 75145), (113, 69825), (133, 59325), (147, 53675), (175, 45087), (245, 32205), (285, 27685), (339, 23275), (399, 19775), (475, 16611), (525, 15029), (565, 13965), (665, 11865), (735, 10735), (791, 9975), (931, 8475), (1225, 6441), (1425, 5537), (1695, 4655), (1995, 3955), (2147, 3675), (2373, 3325), (2793, 2825)]