78422175

素因数分解:

$3^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 84

約数和(自身を含む): 157488184

約数和(自身を除く): 79066009

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 331, 351, 405, 585, 675, 729, 975, 993, 1053, 1215, 1655, 1755, 2025, 2925, 2979, 3159, 3645, 4303, 4965, 5265, 6075, 8275, 8775, 8937, 9477, 12909, 14895, 15795, 18225, 21515, 24825, 26325, 26811, 38727, 44685, 47385, 64545, 74475, 78975, 80433, 107575, 116181, 134055, 193635, 223425, 236925, 241299, 322725, 348543, 402165, 580905, 670275, 968175, 1045629, 1206495, 1742715, 2010825, 2904525, 3136887, 5228145, 6032475, 8713575, 15684435, 26140725, 78422175]

約数ペア:

[(1, 78422175), (3, 26140725), (5, 15684435), (9, 8713575), (13, 6032475), (15, 5228145), (25, 3136887), (27, 2904525), (39, 2010825), (45, 1742715), (65, 1206495), (75, 1045629), (81, 968175), (117, 670275), (135, 580905), (195, 402165), (225, 348543), (243, 322725), (325, 241299), (331, 236925), (351, 223425), (405, 193635), (585, 134055), (675, 116181), (729, 107575), (975, 80433), (993, 78975), (1053, 74475), (1215, 64545), (1655, 47385), (1755, 44685), (2025, 38727), (2925, 26811), (2979, 26325), (3159, 24825), (3645, 21515), (4303, 18225), (4965, 15795), (5265, 14895), (6075, 12909), (8275, 9477), (8775, 8937)]