717205275

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 1321388640

約数和(自身を除く): 604183365

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 137, 159, 225, 265, 411, 439, 477, 685, 795, 1233, 1317, 1325, 2055, 2195, 2385, 3425, 3951, 3975, 6165, 6585, 7261, 10275, 10975, 11925, 19755, 21783, 23267, 30825, 32925, 36305, 60143, 65349, 69801, 98775, 108915, 116335, 180429, 181525, 209403, 300715, 326745, 349005, 541287, 544575, 581675, 902145, 1047015, 1503575, 1633725, 1745025, 2706435, 3187579, 4510725, 5235075, 9562737, 13532175, 15937895, 28688211, 47813685, 79689475, 143441055, 239068425, 717205275]

約数ペア:

[(1, 717205275), (3, 239068425), (5, 143441055), (9, 79689475), (15, 47813685), (25, 28688211), (45, 15937895), (53, 13532175), (75, 9562737), (137, 5235075), (159, 4510725), (225, 3187579), (265, 2706435), (411, 1745025), (439, 1633725), (477, 1503575), (685, 1047015), (795, 902145), (1233, 581675), (1317, 544575), (1325, 541287), (2055, 349005), (2195, 326745), (2385, 300715), (3425, 209403), (3951, 181525), (3975, 180429), (6165, 116335), (6585, 108915), (7261, 98775), (10275, 69801), (10975, 65349), (11925, 60143), (19755, 36305), (21783, 32925), (23267, 30825)]