1215551505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{2153}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 2349066240

約数和(自身を除く): 1133514735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 283, 285, 399, 665, 849, 1415, 1981, 1995, 2153, 4245, 5377, 5943, 6459, 9905, 10765, 15071, 16131, 26885, 29715, 32295, 37639, 40907, 45213, 75355, 80655, 112917, 122721, 188195, 204535, 226065, 286349, 564585, 609299, 613605, 859047, 1431745, 1827897, 3046495, 4265093, 4295235, 9139485, 11576681, 12795279, 21325465, 34730043, 57883405, 63976395, 81036767, 173650215, 243110301, 405183835, 1215551505]

約数ペア:

[(1, 1215551505), (3, 405183835), (5, 243110301), (7, 173650215), (15, 81036767), (19, 63976395), (21, 57883405), (35, 34730043), (57, 21325465), (95, 12795279), (105, 11576681), (133, 9139485), (283, 4295235), (285, 4265093), (399, 3046495), (665, 1827897), (849, 1431745), (1415, 859047), (1981, 613605), (1995, 609299), (2153, 564585), (4245, 286349), (5377, 226065), (5943, 204535), (6459, 188195), (9905, 122721), (10765, 112917), (15071, 80655), (16131, 75355), (26885, 45213), (29715, 40907), (32295, 37639)]