1721115

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 3571200

約数和(自身を除く): 1850085

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 61, 95, 99, 135, 165, 171, 183, 209, 285, 297, 305, 495, 513, 549, 627, 671, 855, 915, 1045, 1159, 1485, 1647, 1881, 2013, 2565, 2745, 3135, 3355, 3477, 5643, 5795, 6039, 8235, 9405, 10065, 10431, 12749, 17385, 18117, 28215, 30195, 31293, 38247, 52155, 63745, 90585, 114741, 156465, 191235, 344223, 573705, 1721115]

約数ペア:

[(1, 1721115), (3, 573705), (5, 344223), (9, 191235), (11, 156465), (15, 114741), (19, 90585), (27, 63745), (33, 52155), (45, 38247), (55, 31293), (57, 30195), (61, 28215), (95, 18117), (99, 17385), (135, 12749), (165, 10431), (171, 10065), (183, 9405), (209, 8235), (285, 6039), (297, 5795), (305, 5643), (495, 3477), (513, 3355), (549, 3135), (627, 2745), (671, 2565), (855, 2013), (915, 1881), (1045, 1647), (1159, 1485)]