726697725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2579}}^1$

素因数の和:2639

約数の個数: 72

約数和(自身を含む): 1375016160

約数和(自身を除く): 648318435

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 289, 325, 425, 663, 867, 975, 1105, 1275, 1445, 2579, 3315, 3757, 4335, 5525, 7225, 7737, 11271, 12895, 16575, 18785, 21675, 33527, 38685, 43843, 56355, 64475, 93925, 100581, 131529, 167635, 193425, 219215, 281775, 502905, 569959, 657645, 745331, 838175, 1096075, 1709877, 2235993, 2514525, 2849795, 3288225, 3726655, 8549385, 9689303, 11179965, 14248975, 18633275, 29067909, 42746925, 48446515, 55899825, 145339545, 242232575, 726697725]

約数ペア:

[(1, 726697725), (3, 242232575), (5, 145339545), (13, 55899825), (15, 48446515), (17, 42746925), (25, 29067909), (39, 18633275), (51, 14248975), (65, 11179965), (75, 9689303), (85, 8549385), (195, 3726655), (221, 3288225), (255, 2849795), (289, 2514525), (325, 2235993), (425, 1709877), (663, 1096075), (867, 838175), (975, 745331), (1105, 657645), (1275, 569959), (1445, 502905), (2579, 281775), (3315, 219215), (3757, 193425), (4335, 167635), (5525, 131529), (7225, 100581), (7737, 93925), (11271, 64475), (12895, 56355), (16575, 43843), (18785, 38685), (21675, 33527)]