1800555345

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{919}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 3349094400

約数和(自身を除く): 1548539055

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 631, 919, 1035, 1893, 2757, 3105, 3155, 4595, 5679, 8271, 9465, 13785, 14513, 17037, 21137, 24813, 28395, 41355, 43539, 63411, 72565, 85185, 105685, 124065, 130617, 190233, 217695, 317055, 391851, 570699, 579889, 653085, 951165, 1739667, 1959255, 2853495, 2899445, 5219001, 8698335, 13337447, 15657003, 26095005, 40012341, 66687235, 78285015, 120037023, 200061705, 360111069, 600185115, 1800555345]

約数ペア:

[(1, 1800555345), (3, 600185115), (5, 360111069), (9, 200061705), (15, 120037023), (23, 78285015), (27, 66687235), (45, 40012341), (69, 26095005), (115, 15657003), (135, 13337447), (207, 8698335), (345, 5219001), (621, 2899445), (631, 2853495), (919, 1959255), (1035, 1739667), (1893, 951165), (2757, 653085), (3105, 579889), (3155, 570699), (4595, 391851), (5679, 317055), (8271, 217695), (9465, 190233), (13785, 130617), (14513, 124065), (17037, 105685), (21137, 85185), (24813, 72565), (28395, 63411), (41355, 43539)]