77444775

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 72

約数和(自身を含む): 151510640

約数和(自身を除く): 74065865

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 289, 397, 425, 459, 675, 765, 867, 1191, 1275, 1445, 1985, 2295, 2601, 3573, 3825, 4335, 5955, 6749, 7225, 7803, 9925, 10719, 11475, 13005, 17865, 20247, 21675, 29775, 33745, 39015, 53595, 60741, 65025, 89325, 101235, 114733, 168725, 182223, 195075, 267975, 303705, 344199, 506175, 573665, 911115, 1032597, 1518525, 1720995, 2868325, 3097791, 4555575, 5162985, 8604975, 15488955, 25814925, 77444775]

約数ペア:

[(1, 77444775), (3, 25814925), (5, 15488955), (9, 8604975), (15, 5162985), (17, 4555575), (25, 3097791), (27, 2868325), (45, 1720995), (51, 1518525), (75, 1032597), (85, 911115), (135, 573665), (153, 506175), (225, 344199), (255, 303705), (289, 267975), (397, 195075), (425, 182223), (459, 168725), (675, 114733), (765, 101235), (867, 89325), (1191, 65025), (1275, 60741), (1445, 53595), (1985, 39015), (2295, 33745), (2601, 29775), (3573, 21675), (3825, 20247), (4335, 17865), (5955, 13005), (6749, 11475), (7225, 10719), (7803, 9925)]