30481731

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 25505469

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 119, 153, 159, 179, 189, 357, 371, 459, 477, 537, 901, 1071, 1113, 1253, 1431, 1611, 2703, 3043, 3213, 3339, 3759, 4833, 6307, 8109, 9129, 9487, 10017, 11277, 18921, 21301, 24327, 27387, 28461, 33831, 56763, 63903, 66409, 82161, 85383, 161279, 170289, 191709, 199227, 256149, 483837, 575127, 597681, 1128953, 1451511, 1793043, 3386859, 4354533, 10160577, 30481731]

約数ペア:

[(1, 30481731), (3, 10160577), (7, 4354533), (9, 3386859), (17, 1793043), (21, 1451511), (27, 1128953), (51, 597681), (53, 575127), (63, 483837), (119, 256149), (153, 199227), (159, 191709), (179, 170289), (189, 161279), (357, 85383), (371, 82161), (459, 66409), (477, 63903), (537, 56763), (901, 33831), (1071, 28461), (1113, 27387), (1253, 24327), (1431, 21301), (1611, 18921), (2703, 11277), (3043, 10017), (3213, 9487), (3339, 9129), (3759, 8109), (4833, 6307)]